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| Phone | Motorola W175 | ZTE Z221 | HTC G2 | Samsung SGH-A157 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
2" diag. 4 : 3 |
3.7" diag. 5 : 3 |
1.8" diag. 4 : 3 |
| Display Resolution & Type |
128 x 128 pixels LCD (STN) |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~252 ppi) LCD (TFT/TFD) |
128 x 160 pixels (~116 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | ? |
| Battery | ? | 900 mAh | 1,300 mAh | 800 mAh |
| Processor | ? | ? | 800 MHz Qualcomm S2 MSM7230 | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | 142 MB | ? raw hardware | 256 MB |
| Main Camera | - | Yes | 5 megapixel | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | QCIF (176 x 144) | 720p HD | - |
| Front Camera | - | - | - | - |
| Weight |
3 oz (85g) |
3.24 oz (92g) |
6.5 oz (184g) |
2.99 oz (85g) |
| Dimensions |
4.49" x 1.69" x 0.55" (114 x 43 x 14 mm) |
3.76" x 1.92" x 0.73" (96 x 49 x 18.5 mm) |
4.68" x 2.37" x 0.55" (119 x 60 x 14 mm) |
3.83" x 1.84" x 0.65" (97 x 47 x 16.5 mm) |
| Form Factor | Slab | Clamshell | Slab | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | Android | (proprietary) |
| Network Bands |
GSM: 850, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | - | HSDPA 3.6 | HSPA 14.4 | ? |
| Features | ||||
| GPS / Location | - | Yes | n/a | Yes |
| Accessibility | ||||
| Adjustable Text Size | - | - | n/a | Yes |
| Hearing Aid Compatible | - |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3 (mostly compatible) |
Yes M4 (very compatible) |
| Multiple Languages | Yes | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | - | Yes |
| Alerts | ||||
| Extra Display | - | Yes | - | - |
| Ringer Profiles | - | Yes | - | Yes |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | - |
| Mobile Hotspot | - | - | n/a | - |
| USB | Yes | Yes | Yes |
Yes Micro-USB |
| Wi-Fi | - | - |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | ||||
| Picture ID | - | - | n/a | Yes |
| Ringer ID | - | - | n/a | Yes |
| Voice Dialing | - | - | n/a | - |
| Customization | ||||
| Custom Graphics | - | Yes | n/a | Yes |
| Custom Ringtones | - | Yes | n/a | Yes |
| Real-Music Ringers | - | Yes | n/a | Yes |
| Data & Network | ||||
| WAP / Web Browser | - | Yes | n/a | Yes |
| Input | ||||
| Predictive Text Entry | Yes | Yes | n/a | Yes |
| Side Keys | - | Yes | Yes | - |
| Text Keyboard, Hardware | - | - | Yes | - |
| Touch Screen | - | - |
Yes Capacitive |
- |
| Memory | ||||
| Memory Card Slot | - | - | Yes | - |
| Messaging | ||||
| Email Client | - | Yes | n/a | - |
| Instant Messaging | - | Yes | n/a | - |
| MMS | - | Yes | n/a | Yes |
| Text Messaging Templates | Yes | Yes | n/a | Yes |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | Yes | - |
| Music Player | - | - | n/a | - |
| Productivity | ||||
| Alarm | Yes | Yes | n/a | Yes |
| Calculator | Yes | Yes | n/a | Yes |
| Calendar | Yes | Yes | n/a | Yes |
| To-Do List | - | - | n/a | Yes |
| Voice Memo | - | Yes | n/a | Yes |
| Software | ||||
| Games | Yes | Yes | n/a | - |
| Java (J2ME) | - | Yes | n/a | - |
| Voice | ||||
| Speaker Phone | Yes | Yes | Yes | Yes |
| Motorola W175 | ZTE Z221 | HTC G2 | Samsung SGH-A157 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Motorola W175 | ZTE Z221 | HTC G2 | Samsung SGH-A157 |
